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12030443 = 102111783
BaseRepresentation
bin101101111001…
…000111101011
3211122012122222
4231321013223
511034433233
61105504255
7204154115
oct55710753
924565588
1012030443
116877717
12404208b
132652b09
1418523b5
1510c9898
hexb791eb

12030443 has 4 divisors (see below), whose sum is σ = 12043248. Its totient is φ = 12017640.

The previous prime is 12030437. The next prime is 12030451. The reversal of 12030443 is 34403021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12030443 - 212 = 12026347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (3010812).

Almost surely, 212030443 is an apocalyptic number.

12030443 is a deficient number, since it is larger than the sum of its proper divisors (12805).

12030443 is a wasteful number, since it uses less digits than its factorization.

12030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12030443 is about 3468.4929003820. The cubic root of 12030443 is about 229.1362879988.

Adding to 12030443 its reverse (34403021), we get a palindrome (46433464).

The spelling of 12030443 in words is "twelve million, thirty thousand, four hundred forty-three".

Divisors: 1 1021 11783 12030443